Planoaraph



n. D MILES, 1R. CONVERTIBLE MOTOR AND PUMP. APPLICATION FILED SEPT. 6.1912.

- Patented Au 10,1915..

' 3 SHEETS-SHEET}.

I INVENTOR 6941/ 02 M ATTORNEY COLUMBIA PLANOGRAPH cmWAsmNa'roN. 11.0

D. D. MILES, JR. CONVERTIBLE MOTOR'AND PUMP.

APPLICATION FILED SEPT. s, 1912. Patented Aug. 10, 1915. V 'a susprs susn 2.

mlllll Illlllllll l N VENTOR -44, ATTORNEY 0. 0. MILES, JR. CONVERTIBLE MOTOR AND PUMP. APPL L6, 1912- ICATION FILED SEP V Patented Aug. 10, 1915.

3 SHEETS-SHEET 3- INVENTOR I BY J a ATTORNEY M II! WITNESSES at. QFEICE.

itofi ni Mites; an, or" siiirrnhiforsco; can'rromirh', ASfSIG NOB; tr'o BtiitJAMiN" 's oon'w'tfn, orsnia rnnnorsco,'cntfronm. v

I convn nrtninn f Moron 'Al-Ni)" PUMP.

Patented'A 1915' remit-men filed September 6,1912 Serial ND. 718,886:

citizen 'of the Uniteds tateg residing in the and Pu ps, of the following. is

specification.

The present invention relates to an proved automatic starterfor. engines and for all machinery here. an initial; impulse is necessary to start the apparatus peters it is capable of beingpperatedhy itsusual source of power, but s more particularlyadapted to be employ'ed in connection with internal combustion engines as appliedjto antomoe bile's, arid'to 'a' type vhereinair; undr-com1 pression is employed to -aci5uflte .anair open ated nrotor and automa-ti ca thrown operative relation; a connection pettveen the.

motor and. engine to be started the: motor after starting the engine being. converted into. compressor; recharges-the air an the, supply reservoir and is then disconnected from the engine until it'- is again desired to start the engine The invent on provide an adapted: ioperfiteil in n r ai-tba la;

piston barrels ou'ntedin saig i vaives andz i the o sp1llat ng valves; for converting the arranged" to adjust the; valves ,to compensate for the Wear in said barrel i A ur o j t o he in -version; is t provide a valve andfpis'toribarrelg so arranged that the valve will. be into its; seat on each compression stroke 0% thepiston in itsbarreL- Y Other and important ob ects are to provide a motor Which after starting the engine may bereadily converted into-a pump for recharging the air suppl-ytankfi, ithout altering or changing any partofithestarh invention consists in the novel combination of parts hereinafter fully described illue trated in the'accompanyin-g drawings, forming a part of this application and pointed out in the claims hereto appended; it being understood that various changes in the form h 5- it bhi e m d. eris tttbaab ve character constructed with: ospilglating yalves connection? Between the-starting engine an prop ertiorr sine; and minor details vof construction .vv th n thje scope of the claims. may

he resorted to ithout departing from thespirit or sacrificing any of the invention To.o0mprehe'nd the invention reference of the advantagessho uldibe had to the accompanying sheets of 'dranvingsgdisclosing one form 0t my" i nvenhon-wherein ,1 Y

Figure; is asideelevation 0f= my starting eng ne-disclosing the casings for theaoscile latingyalves the engine crank sha fit, the piss ton. rodsgeonne'ctedthereto, and the.,valve and-operating means for converting. the .en-' ginesinto. a icolzg pressorgthe valve being; in the position When the device is used as a compressor.- 2- is a: side elevation of Fig.-;l,-,'diselesing;the connection between the igiilglgengine crank shaft; and: the drive shaftrof v valves which is mountedrthe' piston'scyiin. jder, theconneetioni fromzi the air storage tankhe ;mechanism for operating; the A 10 1 piston grqdgs- ,eonnefeted to theastarting engine; cranlpshait 1 Fig- 3 is.-avepticalwseotional -thej vengine, one. of the oscillating the; engine shaft; iand one of I the fnievv taken: on lin {I L, disclosing one of the oscillating ivalves and thet mountr ns fo the. ed there n th valve eontrosl'lediipassa-ges in;

6, the piston; cylindermount.-

he motor i and in the: casing for starting. engine intoga' compressor, and the naechani .for'; automatically loperating; the

the engineshaft to be started; Fig. 4: is a sectionalyiew. on. line 14Fig.- 1, disclosing the construction of the oscillatingvalves andthemanner of mounting the piston cylinders therein, the valve controlled passages in the casing for the oscillating: valves, and one ogt' -the: pistons mounted in'thecylindersi Fig. fi-isa vertical sectional view of the preferred clu'tclnand themanner of mounting the same onthe engine crank shaft. Fig; 6

is a detail view of the rotary; valve in the position when the invention is used as a motor to start the engine. Fig. 7 is a'v'iew. in detail of the rotary valve i emovedfromthe engine.

Referring more particularly to the draw ings, the numeral l designates a suitable base provided at each end with journals 2, in which are mounted to rotate a shaft 3, PlOTECiECl admoent each end with crank arms which "carry at their upper ends'fpistonsifi",fandl themounted to reciprocate in s'uitahle'eylindeirs 7, the cyhnders each being mountedeen trally of annular disk shaped valves 8,,

fiapproximately ii5ti pohniisf and theother end. of which communicates through a vert qa lr ex n ng p wanna e i -islet ,1 also provided with a''"h6r1ion ally ex ending exhaust port 30 fifimnnll iflnfing'iatoone end with the atmosand terminating at its opposite end in adapted to. oscillate in a suitable vertieal rpassage 31, which communicates:

casing 9 which encircles the valves and which extends upwardly hem the -ha se '1 The valves 8 are divided transversely into upper and lower sections 10" and i11 which arereta-ined together by suitable =ser'ews 12; extending through suitable smooth holes" in the members-"10 arid are threaded' atthi r fandthe perme te lower ends in the member 11, and the'valves are secured in position by theretaining rings '13, secured to eachend' of thecasing il. The piston cylinders 7 are screw threaded at their upper ends into the members '10} andzarereceived in their lower ends 511' seats in the members 11,= andit willbeob'served that by rota-ting the cylinders that the inen? hers I0 and 11 maybe adjusted in-the casing- 9- to compensate for any wearthat may have taken place in the oscillationof the valvesv i The valves' 8 are provided respectivelyafl their upper and lower 1 surfaces with ports 14 and 15*whioh communicate Withflthe ihj teriorof the' cylinders 7-, 0116 011 either side of the piston: 6; the port-14 is adapted on the oscillation of :thevalve to 'falt ernately' reg ister: with 1 paths? 16 and v 17 communicating respectively with the -upper ends ef inlet and exhaust channe'ls 18 and 19 provided in the annular" casing-Q and port- .15 isadapted to alternately register with ports 20 and F21" communicating respectively. the lbwe'r ends at the ihlet'xand' exhaustehannels 1 8 and'19i absentee-ere 18 and 19 eemmuniy cate at their lower ends throngh the respective ports 18' and 19 with the correspond:

ing channel associated with-the oppcsitelos cillating valve and from the-connecting ports 18 and 19 extend thedownwardlyinelined"' ports 18 and 19 The ports I7 and 216i the exhaust channel 19 are normally closed by spring seated ball valves 17 and 21' positioned in and opening into the channel l9 and said valves are unseated on each com? pression stroke of the pistons 6. I I

The channel 18 communicates with the outside atmosphere through an inlet opening 22-, adapted to be normally closedby a spring seated inwardly opening valve '23; the stem 24 of which extends centrally within a lubricating cup 25, the lower end of which is provided with openings 26 at the sides thereof and is screw-threaded in the inlet opening 22.

The motor base 1 is provided with a hori zontally extending inlet port 27, one end of which communicates with an air supply reservoir 28, the normal capacity of which is with the lower end of the exhaust port 19 Pitivide' d-ifi the-"based above the ports 27 and 30 is a suitable taperin which mounted to rpparea ape 83, the same; intersecting cne emm rt ieiandt betwe ritnd exhaust I I 'tlie 'por t 29)."; valve is retained in 'position by th n the valve disclose iings,

longitudinally extenfdih h'ofe art/iii c 'o'ni musicaasatznstear- Mantegna-anal "g I I I I whenthedeviceis used "as 'a'pompressor I tor recharging the a1r reservoir. The'valve by a coiled spring MRhih a spindle 45, extending centrally er the" charm her 35 and wh ch is earn-ed I I I b wet est, F0rn a in-"the guinea; Oren ivaive as to 're'cmmuniqate theme interior loo cut out portionsbrnpenings 46 seam, the

the valve is re-area are *pdsiticn, in Fig: 65, rema e" it direct tonal-initiate hen "the air amply Tese'rvdir 28am itheiiiletfport '18 and when the valve is rotated"sothat the openings are positioned, as; Figi 3; the

opening 426 winner registerlnwitli the-port or opening 48, arranged approximately at right angles to the openings 16 and 47, and said'openin'g a8 is of a size approximately one-half the diameter of the valve.

In the, operation of the valve, the opening 48 provides a chinmunication between the exhaust port 19 and exhaust port 30,

openingv a7 being ,s'll'glitly-lai'gr than opening 46Qai1'd the openings adapted when" hemie f 1 int Mil- 85 Y when, the openings 46 e7, permit, of a direct communication between the-air sup- P yre er ir 28 nd he slet P t- 1 as in Rig t, and the'device is Operated, as, a i ten When th alve. s pes tioned, s n ig.- ,ft le bommilniceti n' et em t e hau t po t .95: an h -exh u 19 .1

leading to the atmosphere is out off, and the,

the val from whence," it is. forced ong eopeai gfi tr eh'a gins heme Surein't, tank28 i e lfi'i et s;w th t pering bee ing are theupper 'endsof, channels 49. and a e149"adaptedywhen thevalve position] disclosed in Fig, 6, to

register 'with I bore 51 foim ed in; the surface of the valve 83 and communicating with the interior; of the chamber .35, and the channel.

50 adapted 'wlienfthe valve is the position disclosed 'in, 13?ig.- 3, v and, the device is operat -V gress e mrr ss lx a l giste wi h a b re 52 formed in theisurfa-ceiloii' thle va lve' 33- and e mimi a ies h the bo e 759 adi d t he bal valve enj rolll iie he pening- 38 l adiasthe e he w s: s-re t e channels rfijand 5O ,cjo'mrni inlcate respecly tli t hpes .eiidsi of; 1 ha b 53, r thej base belt-wine "shaft 3' and;

is a piston f'od '54,providedrnidway of its lengthnvitha piston 55 oppositely isp d fi ble packing ma s -56, and the 'ijston, r'0da 1 e' adapted to operendsfofsa the opposite'ends of thelchaniber 53.

'siiitahle 'connection between the motor and theenginc to be started may be employed, the form disclosed in the drawings being. merely for illustration.

Keyed t'o oneend of the shaft 3 is a toothed'fsproclret 59, aroundfwhic'h extends a chain60, the'other end of which extends around a' sprocket '61 loosely mounted on the crankshaft 6-2 or the. engine. One face of the sprocket 61 is provided with an annular cone; shaped projection 63, which is adapted to be thrown into engagement with an o'vei'h'anging'flangeG4, on the periphery of a disk 65 keyed to the crank shaft of the engine;v the sprocket 6'1 and the disk 65 being normally forced apart by the. action of coiled springs 60 positioned between the same.

The'mechanisrn for throwing the two clutch members into engagement comprises a lever 67 having an enlarged head portion which fits loosely aroundfthe shaft 62 adja tutling tpxe "57, which close cent the ,huhof the sprocket 61, and is pro vided with a flat face adapted to contact with the hub of the'sprocket'fi'l and the 013-.

posite faceof the head is, provided-With a.

cam surface 68, which, whentheclutch 1116111 hers are separated hes n a cam groove formed in a ring 69, loosely surrounding the shaft 62 and the ring being secured to any stationary support. The free end of the le ver 67 is pivotally connected by a rod 70 with the end 71 of the pistonfiah;

The me hani m; t n i ete gz h valve 88 consists oiia; lever .72, secured'niidway of its length over theqend of the valveBB and theupper end Ofsa-idj lever is' pivotally connected by a link 73, to a: pivotally, mounted foot pedal 7,4,- positioned within I convenient reach of the vehiclesoperator, the lever-he 1 ing normally thrown in the dottedline position A, inflfig. 1 of thedrawings by the. actionofa co led spring '15, The lowerenfl.

of he ever 72. is provided with a curved arm, 7Q, which is adapted, to contact with has' b een thrown intothe position B,,- Fig. 8-, to position the valve to start .the engine and theendof the; piston rod S after the lever the connection hetween the motor and engine has been thrown, into operation, the, arm re-i maini'ngiin Contact with the piston-as long as the; motor is operating as a compressor to rechargethe supply reservoir 28.. sU pon thereservoirheing recharged to-itscap'acity,

the piston 54 will he moved inwardly in disengagement. from the,ar1n ,7,Q and the lever 72 will bedra wnibythezaction ofuthe spring 75. to',the position A, in Fig; lg,- at which time thesolid, portions of the valve 33 will tae', t1; communication leading from the air.

the escapeof air therefrom. r i

The operation-of; any improvedsta-rter is as follows A sSLuningt-hatthe lever 72 is in the pOsitionA, Fig. 1, aiidit is desired to start the engine, the operator presses the foot pedalfM' which throwsthelever 72 into the position B,Fig. 1, at which time, the lever in its movement will rotate the-valve 33 into the position shown in Fig. 6, and when the valve is in this position, the ports 46 and 4&7 willbeso positioned as to :permit. a direct communication from the air supply reservoir 28 to the inlet port 18 The air as it enters the channel is under high pressure and the same enters the cylinders 7 through the port in the oscillating valve 8, that is in register with the inlet channel, the air as it enters forces the pistons to the opposite ends of the cylinders, and the airin front of th'epistons is forced out through valve controlled ports into the exhaust channel. 19 from where it is forced through the cut out 48 in the valve 33, to the atmosphere, the cut out 48 providing acommunication. from the exhaust-port 19 to the port 30, when the communicationis openhetween the air supapply reservoir 28 to; prevent.

ply reservoir and the-intake channel 18, Simultaneously with the above operation the port :51- of the valve will aline with the channel- 49, and a portion 'ofthe 'a'ir admitted from the tankQB'Wil'l enter-the channel 53 and force the'pistontherein into the Position, as shown 'i-n Fig. 3, at which time the clutch controlling the connection"- between the motor and engine will be'thrljwn into engagement, and the enginepraiik shaft; 62 will be rotated to start-the engi ne. After the engine hasibeen' s'tartfdithe op erator releases pressure on the =fo'ot 'pedal move the lever 72 into the position disclosed in- Fig. 1, and theloWer-end 7601f the" lever will contactwith the endofthe piston rod 54. When in thisi position the valve 33 has been rotated to fa positionto convert" the motor intoa co'mpr'essor operated started, and the coin? the engine it has just munica-ti'on from the air supplyreserviiir to the inlet channel 18 has been ofl as has the communication framers exhaust" channel tothe atmosphere. On the suction strokes of the pistons air is drawn ilito't'he piston cylinders through the valve controlled inlet port '22, and isforced as the compression stroke ofthe pistons through the valve controlled ports lealdin'g'intothe exhaust-port 19 ;""The asunder compas sion is forced from the 'lxhaiist fchan nellll through the opening 48 in "thevaive 33 into the bore' 37, thepressure of thwaiiflthereih unseatirig the valve 43, andflo'wing1into the channel 35 ifrom where it fle w'sthrrlu h the opening 47into the ahanneinaaihg tithe i g'the presalr supply reservoir rm rech rg v I sure therein. When the phesslireinjthe tank 28 reaches its capacity the =ur to;si-

pressed by the-pistons will flow from the chamber 37 through t'heopehing 38l u1fsfe'ati-1 ing the valve 41 controlling the same, and, will be forced through the opening '52 in 'th'j" valve, which is'now alined with' the channel" 50 and the air underj compression will enter the chamber 53 and force the fpistoh'fifi car ried by the piston 'rod 54to'th'e'op1ios'ite fend of the chamber from that shown'fiii Fig; 3, which will throw outf'th'e and disconnect theconnectioh from the eompressti j to the motor. movement in the channel will disconnect from the lower end'76 of the lev'eif'ZZ, and the action of the spring fwillmove thelever into the position A, iii 1,' a't which time the valve 33 will be" rotatedtoa'pesition' which will close the commiiiiication from the air reservoir to the inlet channel and the port 19 of the exhaust channel will be closed. I

It will be observed that byproviding an oscillating valve constructed in two parts, mounting the same in an annular casing and securing the piston cylinder therein, as here- I claim is' 1.' A motor comprising apOrted oscillat' circu The piston rod 54 in its" tofore described, that the piston on the compression stroke thereof will tightly seat of fair around'the valve is thus prevented.

Havingthus described my invention what ing valve, formed in sections, an annular shell surrounding' said valve, piston fcylinders mounted within said valve and commu- I nica'tin'gwith the portstherein,pistons slidand the spring controlling the-'same wilt ablymount'ed in "said cylin'de'rs, a drive shaft, a'c'cnnection between said pistons and drive shaft, "a power shaft, a connection betweensai-d' drive and power shafts, a reservoir for fluid under. pressure, acontr'olled 'lnlet' communication between said reservoir andsa'id oscillating valves to admit air into said cylinders to operate the pistons therein,

"andanexhaust cbminu'nication between said phere.

i'osci'llating valves and the outside atmos- 2, A motorcomprising a ported oscillat- 'ingannularfvalve'formed in sections, an

annulaifshell surrounding said valve,

a pisjjustable connection "between said piston? c'yl- "inderf and valve section's whereby said i adjustment to expand theis'e'ctrj'onsofhs'aid valve to seatin said "s'hell,,a piston ,ifrifsa id cylinder, a drive shaft honiiected tosaid' piston, ajlr'eservolr for'fl-iiid under H fexhaus I cimmun cation bet-tween sa d reser within-its body, a pairof diskfvalf ves each formed of two semi-circular sections and mounted to oscillate ,in said shell, fpiston cylinders mounted within said valves and adapted to he'adjusted toseat said semia'r sections in. said shell, said valves provided with "ports in ltheir peripheral edges adapted to communicate with the interior of said piston cylinders, and with said intake and exhaust channels in said shell, pistons mounted in said cylinders, a drive shaft,laconnection between said pistons and drive shaft, a power shaft, a connection between said drive shaft and power shaft, a reservoir for fluid under pressure, and valve controlled connection between the cylinders and the fluid storage reservoir.

#l. A motor comprising an annular sectional shell provided with intake and eX= haust channels Within its body, a pair of disk valves each formed of two semi-circular sections and mounted to oscillate in said shell, piston cylinders mounted within said valves, adjustable connections between said cylinders and said sections to seat said semipre's'su're, i and a controlled inlet and ton c'ylinder' mounted within said valve and connecting opposite sections thereof, an ad circular sections in said shell, said valves provided with ports in their peripheral edges adapted to communicate with the interior of said piston cylinders, and with said intake and exhaust channels in said shell, pistons mounted in said cylinders, a drive shaft, a connection between said pistons and drive shaft, a power shaft, a connection between said drive shaft and power shaft, a reservoir 10 for fluid under pressure, and valve conname to this specification in the presence of two subscribing Witnesses.

DON D. MILES, JR.

Witnesses:

HENRY F. TOTTEN, D. B. RICHARDS.

Copies of this patent may be obtained for five cents each, by addressing the .Commissioner of Patents,

Washington, D. G. 

